1 Sonia Melle, smelle@fis.ucm.es http://www.ucm.es/info/laserlab 2006 Slow and Fast Light Topical Meeting OSA, Washington, July 24-26 Slow light propagation experiments in highly-doped erbium fibers Sonia Melle , Oscar G. Calderón, F. Carreño, M. A. Antón The UCM Laser Physics Group Complutense University of Madrid, Spain http://www.ucm.es/info/laserlab E-mail: smelle@fis.ucm.es Sonia Melle, smelle@fis.ucm.es http://www.ucm.es/info/laserlab 2006 Slow and Fast Light Topical Meeting OSA, Washington, July 24-26 Previous works Slow-light propagation in optical fibers based on CPO Slow-light propagation in solids based on CPO Ruby crystal: Bigelow et al., Phys. Rev. Lett. 90 (2003) Alexandrite crystal: Bigelow et al., Science 301 (2003) Semiconductor quantum wells : Ku et al., Opt. Lett. 29 (2004) VCSEL: Zhao et al ., Opt. Express 13 (2005) Er-doped crystal: Baldit et al., Phys. Rev. Lett. 95 (2005) vg ~ 3 m/s td ~ 1 ms Optical delay lines Room temperature, optical window communication Er-doped optical fiber: Schweinsberg et al., Europhys. Lett. 73 (2006) L = 13 m larger vg td ~ ms F ~ 0.05 http://www.optics.rochester.edu vg ~ 57 m/s